PD-4(R): California statute and regulations re flammable and combustible liquids transportation
PD and Docket Number Applicant | Subject | Ruling | Decision |
---|---|---|---|
PD-4(R) Nalco Chemical Company | California statute and regulations re flammable and combustible liquids transportation | State annual inspection requirement which causes delay is preempted under the "obstacle" test; marking requirements are preempted because not "substantively the same as" requirements in the HMR' annual registration is not preempted. | 58 FR 48933 (9/20/93) |